Which of the following statements about the conceptual schema of a database is true?
A) It is for the entire database and is at the conceptual level of the database architecture.
B) It is a subset of the internal schema that is required by a particular application program or users.
C) It describes how the internal subschema is implemented physically.
D) It is a subset of the database that describes how the database is implemented.

Question

Quizplus · Accepted Answer

The conceptual schema is for the entire database and is at the conceptual level of the database architecture. It provides an abstract view of the database and describes the entities, their attributes, and their relationships. It is independent of any specific application or user requirements and serves as a basis for the design of the internal and external schemas.

Which of the Following Statements About the Conceptual Schema of a Database